For certain initial conditions, we need only calculate their high order Laplace operator, then we can obtain the accurate solution of the initial value problem.
本文提供了一种算法，对某些初始条件，只需计算其高阶拉普拉斯算子，就可以得到方程的显解。
A high order accurate upwind compact difference scheme for N-S equations is developed.
利用高精度差分格式求解了可压缩n - S方程球头热流问题。
The calculation results, with an example shown, demonstrate that high order rectangular element of manifold method can get more accurate strain and stress.
进一步推导了应变和应力以及单元的刚度矩阵等，最后通过具体实例验证了高阶四边形流形单元的计算应力和应变的准确性。
This paper introduces a digital subtraction into image segmentation in order to make the algorithm simpler, more automatic, high-speed, and accurate.
为了使分割算法更加自动、快速、精准，本文把减影技术应用到图像分割中来。
A family of high accurate and three layer difference schemes containing parameters are constructed for solving four order parabolic equation.
对四阶抛物型方程构造一族含参数高精度三层差分格式。
In this paper, a high order accurate difference scheme is presented for nonlinear hyperbolic conservation laws.
本文研究双曲型守恒律的高精度差分方法。
In order to realize high-performance microwave circuits, it is necessary to establish accurate models and to analyze for these discontinuities.
为了实现微波电路的高成品率和良好性能，在设计阶段就必须要对不连续性问题进行准确建模和研究。
In order to achieve high accurate measurement of object's velocity, a laser Doppler velocity radar system is established and the frequency estimation algorithm is investigated.
为了实现高准确的测量对象的速度，激光多普勒测速雷达系统建立和频率估计算法研究。
Numerical results indicate that highly accurate solutions can be obtained using high-order DG and real solid boundary conditions even on very coarse grids.
数值结果表明，尽管采用的非结构网格非常稀疏，但通过采用真实曲线物面边界和高阶的基函数仍可得到高精度的数值解。
Numerical results indicate that highly accurate solutions can be obtained using high-order DG and real solid boundary conditions even on very coarse grids.
数值结果表明，尽管采用的非结构网格非常稀疏，但通过采用真实曲线物面边界和高阶的基函数仍可得到高精度的数值解。
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